/**
 * Created by 李家伟 on 2019/9/24.
 */
//实时监听字数变化
$(document).ready(function(){
    $('.form-control').on('input focus keyup',
        function(){
            var strs   = getByteLen($(this).val());
            remain = strs.length;
            var content_msg = remain+'字';
            $(this).next().html(content_msg);
        }
    );
});
